chore: update serve to new WASI isatty API

Signed-off-by: Roman Volosatovs <[email protected]>

Author: rvolosatovs

src/commands/serve.rs

@@ -840,8 +840,10 @@ impl wasmtime_wasi::p2::StdoutStream for LogStream {
     fn stream(&self) -> Box<dyn wasmtime_wasi::p2::OutputStream> {
         Box::new(self.clone())
     }
+}
 
-    fn isatty(&self) -> bool {
+impl wasmtime_wasi::cli::IsTerminal for LogStream {
+    fn is_terminal(&self) -> bool {
         use std::io::IsTerminal;
 
         match &self.output {